An old blind cowboy wanders into an all-girl biker bar by mistake...
He finds his way to a bar stool and orders a shot of Jack Daniels.
After sitting there for a while, he yells to the bartender, 'Hey, you wanna hear a blonde joke?'

The bar immediately falls absolutely silent.

In a very deep, husky voice, the woman next to him says, 'Before you tell that joke, Cowboy, I think it is only fair, given that you are blind, that you should know five things: